| 1-(5-nitrofurfurylidene)-2-semicarbazidoacetic aci methyl ester |
| ester metylowy kwas n-(5-nitro-2-furfurylideno)-2-semikarbazydooctowy |
| n-carbamoyl-n-((5-nitrofurfurylidene)amino)-glycin methyl ester |
| 3-(5-nitrofurfurylideneamino)-hydantoic aci methyl ester |
| 1-(5-nitrofurfurylidene)-2-semicarbazidoacetic acimethyl ester |
